<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>列表</title>
    <link rel="stylesheet" href="liebiao.css">
</head>
</head>
<body>
    <div class="todo-app">
        <h1>todo-list</h1>
        <input type="text" id="todo-input" placeholder="请输入">
        <button id="add-todo">add</button>
        <button id="clear-todos">Clean all</button>
        <ul id="todo-list"></ul>
    </div>
    <script src="liebiao.js"></script>
</body>
</html>